Borderou de evaluare (job #834405)

Compilare: main.cpp: In function 'void dfs(const std::vector<std::vector<int> >&, int, std::unordered_set<int>&)': main.cpp:12:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'unsigned int'} [-Wsign-compare] 12 | for (int j = 0 ; j < G[start].size() ; j ++ ) { | ~~^~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:27:9: warning: variable 'radacina' set but not used [-Wunused-but-set-variable] 27 | int radacina = -1; | ^~~~~~~~